Joanna finds an unidentified man dead in a lift in a underground car park after a devastating flood, police assumes that he became trapped as the waters rose, but she is obsessed with discovering what happened to him.

Sophie Rundleas PC Joanna Marshall
Nicholas Gleavesas Sergeant Phil Mackie
Matt Stokoeas Pat Holman
Anita Adam Gabayas Tasha Eden
Lorraine Ashbourneas Molly Marshall
Philip Glenisteras Jack Radcliffe
Jonas Armstrongas Lee Ellison
Ian Puleston-Daviesas Tony Rower
Daniel Bettsas DCI Roy
Jill Halfpennyas DS Sam Bradley
Mick Ford